#!/usr/bin/python
#Filename : cat.py

import sys

def readfile(filename) :
	'''Print a file to the standard output.'''
	f = file(filename)
	while True:
		line = f.readline()
		if len(line) == 0:
			break
		print line ,
	f.close

#Script starts frome hear

if len(sys.argv) < 2:
	print 'No action spectfied.'
	sys.exit()

if sys.argv[1].startswith('--'):
	option = sys.argv[1][2:]
	# fetch sys.argv[1] but without the first two characters
	if option == 'version':
		print 'version 1.2'
	elif option == 'help':
		print '''\
This program prints files to the standard output.
Any number of files can be specified.
Options include :
	--version : Prints the version number
	--help    : Display this help '''
	else :
		print 'Unknow option.'
	sys.exit()
else :
	for filename in sys.argv[1:] :
		readfile(filename)
